231123002201022 has 32 divisors (see below), whose sum is σ = 477223376062464. Its totient is φ = 74545461813600.

The previous prime is 231123002200957. The next prime is 231123002201071. The reversal of 231123002201022 is 220102200321132.

It is a self number, because there is not a number n which added to its sum of digits gives 231123002201022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84867129 + ... + 87548132.

It is an arithmetic number, because the mean of its divisors is an integer number (14913230501952).

Almost surely, 2^{231123002201022} is an apocalyptic number.

231123002201022 is an abundant number, since it is smaller than the sum of its proper divisors (246100373861442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231123002201022 is a wasteful number, since it uses less digits than its factorization.

231123002201022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172422504.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 231123002201022 its reverse (220102200321132), we get a palindrome (451225202522154).

The spelling of 231123002201022 in words is "two hundred thirty-one trillion, one hundred twenty-three billion, two million, two hundred one thousand, twenty-two".